26620541 has 4 divisors (see below), whose sum is σ = 26656284. Its totient is φ = 26584800.

The previous prime is 26620519. The next prime is 26620549. The reversal of 26620541 is 14502662.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5044516 + 21576025 = 2246^2 + 4645^2 .

It is a cyclic number.

It is not a de Polignac number, because 26620541 - 2¹⁴ = 26604157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26620541.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26620549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16730 + ... + 18251.

It is an arithmetic number, because the mean of its divisors is an integer number (6664071).

Almost surely, 2^26620541 is an apocalyptic number.

It is an amenable number.

26620541 is a deficient number, since it is larger than the sum of its proper divisors (35743).

26620541 is an equidigital number, since it uses as much as digits as its factorization.

26620541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35742.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 26620541 is about 5159.5097635337. The cubic root of 26620541 is about 298.5879605389.

The spelling of 26620541 in words is "twenty-six million, six hundred twenty thousand, five hundred forty-one".